53-1003837-02 Brocade NetIron - University of California, …pleiades.ucsc.edu/doc/brocade/netiron-05900-switchin… · · 2015-10-14Notes, cautions, and warnings ... Clearing loop-detection

53-1003837-0216 September 2015

Brocade NetIronSwitching Configuration Guide

Supporting Multi-Service IronWare R05.9.00

2015, Brocade Communications Systems, Inc. All Rights Reserved.

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Contents

Preface...................................................................................................................................23Document conventions....................................................................................23

Text formatting conventions................................................................ 23Command syntax conventions............................................................ 23Notes, cautions, and warnings............................................................ 24

Brocade resources.......................................................................................... 25Contacting Brocade Technical Support...........................................................25Document feedback........................................................................................ 26

About This Document.............................................................................................................. 27Audience......................................................................................................... 27Supported hardware and software.................................................................. 27

Supported software............................................................................. 28Notice to the reader.........................................................................................28How command information is presented in this guide.....................................29

Configuring Interface Parameters............................................................................................ 31Assigning a port name.................................................................................... 31Assigning an IP address to a port................................................................... 32Modifying port speed.......................................................................................32Modifying port mode........................................................................................33

Auto Negotiation Speed Limit..............................................................33Disabling or re-enabling a port........................................................................ 34Disabling Source Address Learning on a port.................................................34Changing the default Gigabit negotiation mode.............................................. 35

Changing the negotiation mode.......................................................... 35Disabling or re-enabling flow control............................................................... 35Modifying port priority (QoS)........................................................................... 36Setting IP VPN packets with a TTL value of 1 to be dropped......................... 36Port transition hold timer................................................................................. 36Port flap dampening........................................................................................ 37

Configuring port link dampening on an interface.................................37Configuring port link dampening on a LAG......................................... 38Re-enabling a port disabled by port link dampening........................... 38Displaying ports configured with port link dampening......................... 38

Port loop detection.......................................................................................... 39Strict mode and Loose mode.............................................................. 39Recovering disabled ports...................................................................39Disable duration and loop detection interval....................................... 39Enabling loop detection.......................................................................40Configuring a global loop detection interval........................................ 41Configuring the device to automatically re-enable ports..................... 41Clearing loop-detection....................................................................... 41Displaying loop-detection information................................................. 42Discarding loop detection frames in the LACP-blocked port...............42Syslog message..................................................................................43

Mirroring and Monitoring................................................................................. 43Configuration guidelines for monitoring traffic.....................................43

Brocade NetIron Switching Configuration Guide 353-1003837-02

Assigning a mirror port and monitor ports.........................................43Displaying mirror and monitor port configuration.............................. 44

ACL-based inbound mirroring....................................................................... 45Considerations when configuring ACL-based inbound mirroring......45Configuring ACL-based inbound mirroring........................................45

10G WAN PHY fault and performance management................................... 49Setting a 10 GbE interface to WAN PHY mode................................ 49Turning alarm interfaces on and off.................................................. 49Configuring path trace ......................................................................49Displaying status of alarms on an interface...................................... 50

Wait for all cards feature............................................................................... 53Link fault signaling.........................................................................................53

Configuration Examples....................................................................54Displaying link-fault-signaling information.........................................57

Displaying and clearing remote fault counters.............................................. 58Limits and restrictions....................................................................... 59

Local fault event detection and counters...................................................... 59Displaying and clearing local fault counters......................................59

Displaying BIP error information................................................................... 60Displaying Network Processor statistics....................................................... 61

Relationships between some counters............................................. 64Clearing the NP statistics counters................................................... 65

Enabling the Foundry Discovery Protocol and Reading Cisco Discovery Protocol Packets........ 67Using FDP.....................................................................................................67

Configuring FDP................................................................................67Displaying FDP information...............................................................69Clearing FDP and CDP information.................................................. 72

Reading CDP packets...................................................................................72Enabling interception of CDP packets globally................................. 73Enabling interception of CDP packets on an interface......................73Displaying CDP information.............................................................. 73Clearing CDP information................................................................. 75

Using a Redundant Management Module..............................................................................77How management module redundancy works..............................................77

Management module redundancy overview..................................... 77Management module switchover...................................................... 78Switchover implications.....................................................................79

Management module redundancy configuration...........................................80Changing the default active chassis slot...........................................80

Managing management module redundancy................................................80File synchronization between active and standby management

modules.......................................................................................81Manually switching over to the standby management module......... 83Rebooting the active and standby management modules................ 83

Monitoring management module redundancy...............................................84Determining management module status......................................... 84Monitoring the status change of a module........................................ 85Displaying temperature information.................................................. 85

Displaying switchover information.................................................................86Flash memory and auxiliary flash card file management commands........... 87Verifying available flash space on the management module before an

image is copied........................................................................................88Management focus............................................................................89Flash memory file system................................................................. 89

4 Brocade NetIron Switching Configuration Guide53-1003837-02

Auxiliary flash card file system............................................................ 90Wildcards............................................................................................ 91Formatting a flash card....................................................................... 91Determining the current management focus....................................... 92Switching the management focus....................................................... 92Displaying a directory of the files........................................................ 93Displaying the contents of a file.......................................................... 95Displaying the hexadecimal output of a file.........................................95Creating a subdirectory....................................................................... 96Removing a subdirectory.................................................................... 97Renaming a file................................................................................... 98Changing the read-write attribute of a file........................................... 98Deleting a file...................................................................................... 99Recovering ("undeleting") a file.........................................................100Appending a file to another file..........................................................101Copying files using the copy command.............................................101Copying files using the cp command................................................ 105Loading the software.........................................................................106Saving configuration changes........................................................... 108File management messages............................................................. 109

Configuring LLDP.................................................................................................................. 111LLDP overview.............................................................................................. 111General operating principles......................................................................... 112

Operating modes...............................................................................112LLDP packets....................................................................................113TLV support.......................................................................................113

Configuration considerations.........................................................................116Using LLDP................................................................................................... 116

Enabling LLDP.................................................................................. 116Changing the operating mode of a port.............................................117Specifying the maximum number of LLDP neighbors ...................... 118Enable bridging of LLDP BPDUs when LLDP not enabled............... 118Enabling LLDP SNMP notifications and Syslog messages...............118Specifying the minimum time between SNMP traps and Syslog

messages.................................................................................... 119Changing the minimum time between LLDP transmissions..............119Changing the interval between regular LLDP transmissions............ 120Changing the holdtime multiplier for transmit TTL............................ 120Changing the minimum time between port reinitializations............... 120LLDP TLVs advertised by the Brocade device..................................121Displaying LLDP statistics and configuration settings.......................127

Resetting LLDP statistics.............................................................................. 132

Brocade NetIron XMR Series and Brocade NetIron MLX Series Link Aggregation.....................133LAG formation rules...................................................................................... 133LAG load sharing.......................................................................................... 137

Hash based load sharing.................................................................. 137Per packet server LAG load sharing................................................. 140

Configuring a LAG.........................................................................................140Creating a LAG using the LAG ID option.......................................... 141Adding Ports to a LAG or Deleting Ports from a LAG....................... 143Configuring the primary port for a LAG............................................. 143Configuring load sharing type........................................................... 144Specifying the LAG threshold............................................................144Configuring an LACP port priority..................................................... 145


Configuring an LACP system priority.............................................. 145Configuring an LACP timeout..........................................................146Configuring LACP BPDU Forwarding............................................. 146

Deploying a LAG.........................................................................................147Commands available under LAG once it is deployed..................... 148Configuring ACL-based mirroring....................................................148Disabling ports within a LAG...........................................................149Enabling ports within a LAG............................................................149Adding a port to a currently deployed LAG..................................... 149Deleting a port from a currently deployed LAG...............................150Monitoring an individual LAG port...................................................150Assigning a name to a port within a LAG........................................151Enabling sFlow forwarding on a port in a LAG................................151Setting the sFlow sampling rate for a port in a LAG....................... 152Configuring a dynamic LAG within a VRF.......................................152Configuring multicast dynamic load rebalancing on a LAG............ 152Displaying LAG information.............................................................153Displaying LAG statistics.................................................................159Displaying multicast LAG member port usage................................160Displaying LAG information for a specified LAG name or LAG ID..160Displaying the running configuration for a LAG ............................. 161

Displaying LACP information for a specified LAG name or LAG ID............161Error messages displayed for LACP information when

specifying a LAG name or LAG ID............................................ 164Clearing LACP counter statistics for a specified LAG name or

LAG ID.......................................................................................165

Brocade NetIron CES Series and Brocade NetIron CER Series Link Aggregation....................167LAG formation rules.................................................................................... 167

Layer 2 requirements...................................................................... 167Layer 3 requirements...................................................................... 168Layer 4 (ACL) requirements............................................................168

LAG load sharing........................................................................................ 169Hash based load sharing................................................................ 169

Deploying a LAG.........................................................................................170Commands available under LAG once it is deployed..................... 170Configuring ACL-based mirroring....................................................171Disabling ports within a LAG...........................................................171Enabling ports within a LAG............................................................171Monitoring an individual LAG port...................................................172Naming a port in a LAG...................................................................172Enabling sFlow forwarding on a port in a LAG................................173Setting the sFlow sampling rate for a port in a LAG....................... 173Static LAG Considerations..............................................................173Displaying LAG information.............................................................174Displaying LAG statistics.................................................................179Displaying LAG information for a specified LAG name or LAG ID..180Displaying the running configuration for a LAG ............................. 181

VLANs.................................................................................................................................183Tagged, untagged, and dual mode ports.................................................... 184Protocol-based VLANs................................................................................185VLAN configuration rules............................................................................ 186

VLAN ID range................................................................................186Tagged VLANs................................................................................186VLAN hierarchy...............................................................................186


Multiple VLAN membership rules......................................................187Dual-mode default VLAN.................................................................. 187Layer 2 control protocols on VLANs..................................................189Virtual interfaces and CPU protection co-existence on VLANs.........189

Configuring port-based VLANs..................................................................... 189Strictly or explicitly tagging a port......................................................191Assigning or changing a VLAN priority..............................................191Assigning a different ID to the default VLAN.....................................191

Configuring protocol-based VLANs...............................................................191Configuring virtual routing interfaces.............................................................192

Integrated Switch Routing................................................................. 193VLAN groups.................................................................................................195

Configuring a VLAN group................................................................ 195Configuring super aggregated VLANs.......................................................... 197

Configuring aggregated VLANs........................................................ 199Complete CLI examples ...................................................................200

Configuring 802.1q-in-q tagging ...................................................................202Configuration rules............................................................................ 203Enabling 802.1Q-in-Q tagging...........................................................204Example configuration.......................................................................204

Configuring 802.1q tag-type translation........................................................ 205Configuration rules............................................................................ 207Enabling 802.1q tag-type translation.................................................208

Miscellaneous VLAN features....................................................................... 208Allocating memory for more VLANs or virtual routing interfaces.......208Configuring uplink ports within a port-based VLAN...........................209Configuring control protocols in VLANs............................................ 209

Hardware flooding for layer 2 multicast and broadcast packets....................209Unknown unicast flooding on VLAN ports ....................................................210

Configuring VLAN CPU protection.................................................... 210Command changes to support Gen-2 modules............................................ 211

Deprecated commands..................................................................... 211Existing display command.................................................................213

Extended VLAN counters for 8x10G modules.............................................. 214Configuring extended VLAN counters...........................................................214

Enabling accounting on per-slot basis.............................................. 214Enabling accounting on switched or routed packets......................... 215

Displaying VLAN counters............................................................................ 215Clearing extended VLAN counters................................................................217

Clearing counters for all VLANs........................................................ 217Clearing counters for a specific VLAN.............................................. 217Clearing VLAN and port counters..................................................... 218Clearing VLAN counters on a port with a specific priority................. 218Clearing extended counters statistics on a port................................ 218Clearing extended counters statistics on specific slot ......................219

IP interface commands................................................................................. 219Displaying IP interface counters........................................................219Displaying IP virtual interface counters ............................................ 220Displaying detailed IP virtual interface counters .............................. 220Clearing IP interface counters...........................................................221Clearing IP virtual interface counters................................................ 221

Transparent VLAN flooding...........................................................................222Enabling VLAN transparent forwarding.............................................222Enabling VLAN LAG load balancing................................................. 223Configuring TVF FID pool size.......................................................... 225Configuring TVF FID group size........................................................225

Transparent firewall mode.............................................................................225Enabling a transparent firewall..........................................................225


Displaying VLAN information...................................................................... 226Displaying VLAN information.......................................................... 226Displaying VLAN information for specific ports............................... 228Displaying VLAN status and port types...........................................228Displaying VLAN group information................................................ 229

Multi-port static MAC address.....................................................................230Configuring multi-port static MAC address..................................................231

Limitations.......................................................................................231Error messages...............................................................................231

Displaying multi-port static MAC address information.................................232Displaying running configuration ....................................................233Displaying changes in the MAC table............................................. 233

SA and DA learning and aging....................................................................233MP switchover and hitless upgrade............................................................ 233Flooding features........................................................................................ 234

Ethernet Service Instance for Brocade NetIron CES Series and Brocade NetIron CER SeriesDevices......................................................................................................................... 235

ESI overview............................................................................................... 235Types of ESI....................................................................................236Creating an ESI...............................................................................237

Show VLAN commands.............................................................................. 238Displaying information for a VLAN inside an ESI............................238Displaying information for a VLAN inside an ESI in brief format ....238Displaying a single ESI................................................................... 239Tag-type configuration.................................................................... 239Displaying tag types........................................................................240

Application of a standalone ESI.................................................................. 240Flood domain and VLAN translation............................................... 241Configuring a flood domain with VLAN translation..........................242

IEEE 802.1ad - Provider Bridges for the Brocade NetIron CES Series and Brocade NetIronCER Series.................................................................................................................... 243

About IEEE 802.1ad................................................................................... 243IEEE 802.1ad Provider Bridging limitations.................................... 243Port type configuration for Provider Bridging (PB).......................... 244Configuration steps......................................................................... 245Displaying the port type ..................................................................246Creating an ESI...............................................................................249PB using untagged members..........................................................251SVLAN translation using flood domain configuration......................251Port-based Service Interface Super AggregatedVLANs (SAV)...... 252Layer 2 Protocol Forwarding (L2PF)...............................................252

IEEE 802.1ah Provider Backbone Bridging (PBB) Networks for the Brocade NetIron CESSeries and the Brocade NetIron CER Series....................................................................257

Overview..................................................................................................... 257Provider Backbone Bridges.............................................................257IEEE 802.1ah Provider Backbone Bridging (PBB)..........................260IEEE 802.1ah configuration options................................................260Displaying tag types........................................................................261Port configuration for IEEE 802.1ah and IEEE802.1ad at each

interface ....................................................................................261


IEEE 802.1ah Provider Backbone Bridging (PBB)networkconfiguration example................................................................. 262

IEEE 802.1ah configurations.............................................................263ESI configuration display after mappings..........................................264

Integrated IEEE 802.1ad and IEEE 802.1ah ................................................265IEEE 802.1ah (PBB) configurations.................................................. 266Interface configuration for Provider Bridge and Provider

Backbone Bridge (PBB) networks............................................... 266Displaying port- types........................................................................267

Point to Point PBB.........................................................................................270Limitations......................................................................................... 270Configuring Point to Point PBB......................................................... 270Show commands...............................................................................270

ISID mapping to VPLS.................................................................................. 271ISID endpoint configuration considerations.......................................271Configuring the ISID endpoints......................................................... 272Tag type and ether type.................................................................... 272Topology Groups...............................................................................273Show commands...............................................................................273Load balancing traffic........................................................................ 274Show commands...............................................................................275CoS with ISID to ISID endpoints....................................................... 275

Adding and removing VLANs and ESIs........................................................ 278Adding a VLAN to an ESI..................................................................278Adding a source ESI to a target ESI................................................. 279Deleting a VLAN................................................................................279Deleting an ESI................................................................................. 280Valid ESI configuration and interconnection modes..........................280Uniqueness requirements for VLANs................................................281

Provider Backbone Bridging (PBB) Networks for the Brocade NetIron XMR Series and theBrocade NetIron MLX Series............................................................................................ 285

Overview....................................................................................................... 285Provider Backbone Bridges...............................................................285

Backbone Edge Bridge (BEB) operation.......................................................287Service instance................................................................................287Customer to ISID mapping................................................................291PBB packet switching........................................................................294PBB MAC Learning........................................................................... 295PBB PCP/DEI Setting....................................................................... 297S-Tag PCP/DEI Setting.....................................................................299

Configuring PBB............................................................................................299Limitations......................................................................................... 299Configuring PBB ...............................................................................300

802.1ag over PBB OAM................................................................................305Configuration scenarios.................................................................... 305Types of MEPs and MIPs..................................................................308Hierarchical Fault Detection Operation............................................. 308802.1ag for Link MA.......................................................................... 308802.1ag for CVLAN and SVLAN....................................................... 310802.1ag for BVLAN........................................................................... 311802.1ag for ISID................................................................................ 311802.1ag Port Status TLV...................................................................312802.1ag RDI...................................................................................... 313Deployment Scenarios and CLI Configuration.................................. 313Deployment Scenario-2 (UP MEPs and MIPs on PEs).....................316Deployment Scenario-4 (ISID MEPs on BEBs).................................319


Show Commands............................................................................319

Configuring Spanning Tree Protocol.....................................................................................321IEEE 802.1D Spanning Tree Protocol (STP) ............................................. 321

Enabling or disabling STP...............................................................321STP in a LAG.................................................................................. 323Default STP bridge and port parameters........................................ 323Changing STP bridge parameters...................................................324Changing STP port parameters...................................................... 325Root Guard......................................................................................325BPDU Guard .................................................................................. 327Displaying STP information.............................................................331

IEEE Single Spanning Tree (SSTP)........................................................... 336SSTP defaults................................................................................. 336Displaying SSTP information.......................................................... 337

SuperSpan............................................................................................... 337Customer ID....................................................................................338BPDU forwarding............................................................................ 338Preforwarding state.........................................................................339Combining single STP and multiple spanning trees....................... 340Configuring SuperSpan...................................................................343Displaying SuperSpan information..................................................344

STP feature configuration........................................................................... 345Fast port span................................................................................. 345Fast Uplink Span.............................................................................347Configuring STP under an ESI VLAN............................................. 350

PVST or PVST+ compatibility..................................................................... 350Overview of PVST and PVST+....................................................... 351VLAN Tags and dual mode.............................................................351Enabling PVST+ support.................................................................352Displaying PVST+ support information........................................... 352Configuration examples.................................................................. 353

802.1s Multiple Spanning Tree Protocol..................................................... 355Multiple Spanning-Tree regions ..................................................... 355Configuring MSTP ..........................................................................356Setting the MSTP name..................................................................357Setting the MSTP revision number ................................................ 357Configuring an MSTP instance ...................................................... 358Configuring port priority and port path cost ....................................358Configuring bridge priority for an MSTP instance........................... 358Setting the MSTP global parameters.............................................. 359Setting ports to be operational edge ports...................................... 359Setting point-to-point link.................................................................359Disabling MSTP on a port............................................................... 360Forcing ports to transmit an MSTP BPDU...................................... 360Enabling MSTP on a device............................................................360Displaying MSTP statistics..............................................................362Displaying MSTP information for CIST instance 0..........................365Interoperability between MSTP and Single STP or Single RSTP... 366

MSTP support for PBB................................................................................367Scalability........................................................................................367Limitations.......................................................................................367Use case scenario...........................................................................367Edge MSTP in a PB network...........................................................368High availability............................................................................... 368MSTP PBB Configuration Commands............................................ 368


Configuring the Brocade NetIron MLX Series and BrocadeNetIron XMR Series.....................................................................369

Configuring CE-1 and CE-2.............................................................. 371Configuring MSTP in a PBB network ............................................... 374Show commands...............................................................................376

Configuring Rapid Spanning Tree Protocol.............................................................................387Bridges and bridge port roles ....................................................................... 388

Assignment of port roles................................................................... 388Ports on Switch 1.............................................................................. 389Ports on Switch 2.............................................................................. 389Ports on Switch 3.............................................................................. 389Ports Switch 4................................................................................... 390

Edge ports and Edge port roles.................................................................... 390Point-to-point ports........................................................................................391Bridge port states.......................................................................................... 392Edge port and non-Edge port states............................................................. 392Changes to port roles and states.................................................................. 393State machines............................................................................................. 393

Handshake mechanisms ..................................................................394Convergence in a simple topology................................................................ 404

Convergence at start up....................................................................405Convergence after a link failure........................................................ 407Convergence at link restoration........................................................ 408

Convergence in a complex RSTP topology.................................................. 409Propagation of topology change....................................................... 411

Compatibility of RSTP with 802.1D............................................................... 414Configuring RSTP parameters ..................................................................... 415

RSTP in a LAG..................................................................................415Enabling or disabling RSTP in a port-based VLAN ..........................416Enabling or disabling RSTP on a single spanning tree..................... 416Disabling or enabling RSTP on a port...............................................416Configuring maximum number of RSTP instances........................... 416Changing RSTP bridge parameters.................................................. 417Changing port parameters ............................................................... 418Syslogs for RSTP..............................................................................419

RSTP scaling recommendations and best practices.....................................420Displaying RSTP information ....................................................................... 422Configuring RSTP under an ESI VLAN.........................................................426RSTP support for PB and PBB..................................................................... 426

Core RSTP........................................................................................427Edge RSTP....................................................................................... 427BPDU behavior on VPLS endpoints..................................................428Limitations ........................................................................................ 429Configuration commands.................................................................. 429Use case scenarios...........................................................................431

Metro Ring Protocol ............................................................................................................. 451Metro Ring Protocol ...................................................................................451MRP rings without shared interfaces (MRP Phase 1)...................................453Ring initialization........................................................................................... 454How ring breaks are detected and healed.................................................... 457

MRP alarm RHP enhancement.........................................................459Topology change notification for multicast traffic.......................................... 460Master VLANs and member VLANs in a topology group.............................. 462Configuring MRP...........................................................................................464


Adding an MRP ring to a vlan......................................................... 464Changing the hello and preforwarding times.................................. 465Changing the scale timer................................................................ 466

MRP Phase 2..............................................................................................466Ring interface ownership.................................................................469Ring interface IDs and types...........................................................470Selection of the master node for a ring........................................... 471RHP processing in rings with shared interfaces..............................473How ring breaks are detected and healed between shared

interfaces ..................................................................................474Normal flow..................................................................................... 474Flow when a link breaks..................................................................476Configuring MRP with shared interfaces.........................................477

Tuning MRP timers..................................................................................... 478Flushing the mac table following an MRP event............................. 478Hello time........................................................................................ 478Preforwarding time..........................................................................478Setting hello and preforwarding timers appropriately......................479Effect of the scale timer...................................................................479

Using MRP diagnostics...............................................................................480Enabling MRP diagnostics.............................................................. 480Displaying MRP diagnostics............................................................481

Displaying MRP information........................................................................482Displaying topology group information............................................482Displaying ring information..............................................................482

MRP CLI example.......................................................................................484Commands on Switch A (master node).......................................... 485Commands on Switch B..................................................................485Commands on Switch C..................................................................486Commands on Switch D..................................................................486

Configuring MRP under an ESI VLAN........................................................ 486Configuration considerations...........................................................487

Ethernet Ring Protection Protocol .......................................................................................489Ethernet Ring Protection .........................................................................489

Ethernet Ring Protection components............................................ 489Initializing a new ERN................................................................................. 493Signal fail.....................................................................................................497Manual switch............................................................................................. 498Forced switch..............................................................................................501

Double Forced Switch.....................................................................504Dual-end blocking....................................................................................... 504Non-revertive mode.....................................................................................504Interconnected rings....................................................................................504FDB flush optimization................................................................................ 506Configuring ERP......................................................................................... 506

Sample configuration...................................................................... 506Configuring ERP with IEEE 802.1ag...........................................................507ERP commands.......................................................................................... 508

Assigning ERP IDs..........................................................................508Naming an Ethernet Ring Node...................................................... 508Configuring the default MAC ID...................................................... 508Configuring R-APS MEL value........................................................509Configuring R-APS topology change propagation.......................... 509Enabling the ERP configuration...................................................... 509Configuring interfaces..................................................................... 509Assigning the RPL owner role and setting the RPL........................ 510


Enabling sub-rings for multi-ring and ladder topologies.................... 510Achieving sub-50ms ring protection switch time............................... 510Configuring non-revertive mode........................................................513Configuring and clearing a forced switch.......................................... 513Configuring and clearing a manual switch........................................ 514Configuring dual-end blocking...........................................................514Configuring the guard timer...............................................................514Configuring and clearing the wait to restore timer.............................515Testing the WTR timer...................................................................... 515Configuring and clearing the WTB timer........................................... 515Configuring a hold-off timer...............................................................515Setting the ITU-T G.8032 version number........................................ 516

ERP over ESI VLAN (Brocade NetIron CES Series and Brocade NetIronCER Series).............................................................................................516

Interconnection rings with different VLANs....................................... 517Interconnection rings with same VLANs........................................... 517Sample configurations.......................................................................518

ERP support for PBB (Brocade NetIron MLX Series and BrocadeNetIron XMR Series)............................................................................... 520

Configuration requirements...............................................................520Blocking of L2 protocols for PBB.......................................................521Sample configurations.......................................................................521

Viewing ERP operational status and clearing ERP statistics........................ 524Viewing ERP operational status and statistics.................................. 524Clearing ERP statistics......................................................................526

Virtual Switch Redundancy Protocol (VSRP)...........................................................................527Virtual Switch Redundancy Protocol............................................................. 527Layer 2 redundancy...................................................................................... 529

Master election and failover.............................................................. 529VSRP failover....................................................................................529VSRP priority calculation...................................................................530MAC address failover on VSRP-aware devices................................533

Configuring basic VSRP parameters............................................................ 533Note on VSRP support when using ESI............................................534Configuring optional VSRP parameters............................................ 534

VSRP 2......................................................................................................... 535Configuration considerations:............................................................538Configuring VSRP 2 ......................................................................... 538

Displaying VSRP 2 .......................................................................................539Removing a port from the VRIDs VLAN........................................... 541Changing the backup priority............................................................ 542Saving the timer values received from the Master............................ 542Changing the Time-To-Live (TTL).....................................................543Changing the Hello interval............................................................... 543Changing the Dead interval...............................................................544Changing the Backup Hello state and interval.................................. 544Changing the hold-down interval.......................................................544Changing the default track priority.................................................... 545Specifying a track port.......................................................................545Disabling or re-enabling Backup preemption.................................... 546

Displaying VSRP information ....................................................................... 546Displaying VRID information............................................................. 546Displaying the active interfaces for a VRID.......................................549

VSRP fast start..............................................................................................550Special considerations when configuring VSRP fast start................ 550Recommendations for configuring VSRP fast start ..........................550


Configuring VSRP fast start............................................................ 551Displaying ports that have VSRP fast start feature enabled........... 551

VSRP slow start ......................................................................................... 552VSRP and Foundry MRP signaling ............................................................552

Topology Groups.................................................................................................................555Master VLAN and member VLANs............................................................. 555Master VLANs and customer VLANs in Foundry MRP...............................556Control ports and free ports........................................................................ 556Configuration considerations...................................................................... 556Configuring a topology group......................................................................557

Adding VPLS VLANs to topology groups........................................557Topology group support within an ESI............................................ 558

Displaying topology group information........................................................559Displaying topology group information on a Brocade NetIron

XMR Series or Brocade NetIron MLX Series device.................559Displaying topology group information on a Brocade NetIron

CES Series device.....................................................................561

Multi-Chassis Trunking (MCT)..............................................................................................563About Multi-Chassis Trunk (MCT)...............................................................563

MCT Benefits ................................................................................. 564How MCT works..........................................................................................564MCT components........................................................................................565MCT terminology.........................................................................................566Dynamic LAGs............................................................................................ 567

MCT peers...................................................................................... 567ICL traffic handling.......................................................................... 568MCT Active-Passive mode..............................................................568

Multicast snooping over MCT......................................................................569IGMP or MLD snooping...................................................................569L2 protocol packet handling............................................................ 570Forwarding broadcast, multicast and unknown unicast traffic........ 570NetIron CES and NetIron CER forwarding......................................571Syncing interface MACs to peer MCT devices................................571MCT L2 protocols............................................................................571MCT L3 protocols............................................................................572MCT feature interaction...................................................................572Configure MCT................................................................................573Active-Active MCT configuration considerations.............................573

Configure Active-Active MCT......................................................................574Active-Passive MCT ...................................................................................574

Active-Passive MCT configuration considerations..........................574Configure Active-Passive MCT................................................................... 575

Sample Active-Passive MCT cluster configurations........................576Single level MCT example.............................................................. 577Configuring the cluster operation mode.......................................... 582TOR-B.............................................................................................584Configuring the cluster operation mode.......................................... 588

Optional cluster operation features............................................................. 592Cluster Failover Mode.....................................................................592Client isolation mode.......................................................................592Shutdown all client interfaces..........................................................593Client interfaces delay.....................................................................593Active/Passive mode.......................................................................593Client-role........................................................................................593


Client-role-revertible-delay timer....................................................... 594Displaying cluster information........................................................... 594Keep-alive VLAN...............................................................................594Keep-alive timers and hold-time........................................................594L2 protocol forwarding.......................................................................595

Port loop detection ....................................................................................... 597Loop detection for specific VLAN on a port.......................................597Loop detection shutdown-disable......................................................597Loop-detection shutdown-sending-port.............................................597Loop-detection-syslog-duration.........................................................597

MCT failover scenarios................................................................................. 598Show commands...........................................................................................599Syslogs and debugging.................................................................................600

Sample configuration........................................................................ 600Failover scenarios for Layer 2 multicast over MCT...........................601

Multicast show commands............................................................................ 602MAC operations............................................................................................ 603

MAC Database Update (MDUP)....................................................... 603Enabling MAC health check.............................................................. 603Disabling MAC health check............................................................. 604Configuring the health check timer ...................................................604Disabling the health check timer....................................................... 604Enabling dynamic MAC learning....................................................... 604Disabling dynamic MAC learning...................................................... 604Manually synchronizing MAC entries and MCT peers...................... 604Set the client-interfaces delay value................................................. 606Enabling Cluster MAC synchronization.............................................606Disabling Cluster MAC synchronization............................................ 607Configuring the Cluster MAC synchronization timer ........................ 607Disabling the Cluster MAC synchronization timer............................. 607Cluster MAC types............................................................................ 607Handling the MAC mismatch scenario in MCT................................. 609Show Commands..............................................................................609

Clear MAC commands.................................................................................. 610Clear cluster specific MACs.............................................................. 610Clear client specific MACs ............................................................... 610Clear VLAN specific MACs .............................................................. 610Clear cluster VLAN specific MACs ...................................................610Clear cluster client vlan specific MACs............................................. 610Displaying MDUP packet statistics....................................................611Clearing the statistics of MDUP packets........................................... 611

MCT configuration examples ....................................................................... 611Single level MCT example................................................................ 612Single level MCT- extension example...............................................615Two level MCT example....................................................................619MRP integration with MCT example..................................................623

MCT for VRRP or VRRP-E........................................................................... 625One MCT switch is the VRRP or VRRP-E master routerand the

other MCT switch is VRRP or VRRP-Ebackup router................. 625IPv6 VRRP-E short-path forwarding and revertible option................629IPv6 VRRP-E short-path forwarding delay........................................630

L2VPN support for L2 MCT clusters............................................................. 633Support for non-direct ICL.................................................................633L2VPN timers ................................................................................... 634Cluster CCP session rules................................................................ 634Handling L2VPN spoke down........................................................... 635CCP down handling when both L2 and L2VPN exist........................ 635Graceful restart support.................................................................... 636


Show commands.............................................................................636MCT for VPLS.............................................................................................637

Configuration Considerations..........................................................639NetIron CES and NetIron CER limitations.......................................639Scalability........................................................................................639Forwarding known unicast traffic.....................................................640Forwarding broadcast, unknown unicast, multicast traffic.............. 640MAC Learning and Synching.......................................................... 641MAC Aging......................................................................................641Active-standby role change (revertible timer)..................................641Local switching with MCT................................................................641CPU protection with MCT................................................................642Auto-discovery with MCT................................................................ 642Cluster-peer verses vpls-peer.........................................................642Graceful Restart and Upgrade ....................................................... 642PE to PE Forwarding.......................................................................643Unsupported features for MCT enabled VPLS instances............... 643Configuring the MCT end-point for a VPLS instance...................... 643Disabling cluster-peer mode for a VPLS instance error

messages.................................................................................. 644VPLS global pw-redundancy (optional) ..........................................644Per VPLS instance pw-redundancy (optional)................................ 644Sample MCT configuration with VPLS endpoints........................... 645VPLS show commands...................................................................645

MCT for VLL................................................................................................646Configuration synchronization between MCT peers....................... 647Peer information sync..................................................................... 647End point status handling................................................................647End point mismatch.........................................................................648Hitless upgrade............................................................................... 648Configuring MCT VLL......................................................................648L2VPN peer configuration...............................................................648VLL global pw-redundancy (optional) ............................................ 648Per VLL instance pw-redundancy (optional)................................... 649Setting the L2VPN global revertible timer ...................................... 649PW redundancy auto reversion timer option...................................650Display commands..........................................................................650

MCT Snooping ........................................................................................... 651Events Handling..............................................................................651Displaying IP multicast information................................................. 655

PIM Over MCT ........................................................................................... 656Synchronizing IGMP State on the CCEPs...................................... 657Traffic Load sharing on the CCEPs.................................................658Sending IGMP Queries on CCEPs................................................. 658Show commands.............................................................................658

Configuring IP.....................................................................................................................663The IP packet flow.......................................................................................663

ARP cache table............................................................................. 665Static ARP table..............................................................................665IP route table...................................................................................666IP forwarding cache........................................................................ 666IP packet queuing........................................................................... 667

Basic IP parameters and defaults............................................................... 667When parameter changes take effect............................................. 668IP global parameters ......................................................................668IP interface parameters...................................................................671


GRE IP tunnel .............................................................................................. 673Considerations in implementing this feature..................................... 673GRE MTU enhancements................................................................. 674Configuring a GRE IP Tunnel............................................................674

GRE tunnel VRF support.............................................................................. 683Multicast over GRE tunnel............................................................................ 687

Configuring PIM GRE tunnel.............................................................687Configuring PIM GRE tunnel using the strict RPF check.................. 688

Tunnel statistics for a GRE tunnel or IPv6 manual tunnel.............................688Reload behavior and the source-ingress CAM partition....................688Operational notes..............................................................................689Enabling IP tunnel or manual IPv6 statistics..................................... 691

Restart global timers..................................................................................... 692Configuring the graceful-restart max-hold-timer ...............................693Graceful-restart protocols-converge-timer........................................ 693

Configuring IP parameters............................................................................ 694Configuring IP addresses..................................................................694IP Unnumbered Interfaces................................................................ 697Configuring an unnumbered interface...............................................698Displaying unnumbered interfaces....................................................698ARP suppression on unnumbered interfaces....................................699Enabling and disabling ARP suppression......................................... 699Caveats and limitations for IP Unnumbered Interfaces.....................700Configuration considerations for IP Unnumbered Interfaces............ 700Sample configuration for IP Unnumbered Interfaces........................ 701Support for a 31-bit subnet mask on point-to-point networks............701Enabling hardware forwarding of IP option packets based on

Layer 3 destination...................................................................... 703Configuring domain name server (DNS) resolver............................. 704Using Telnet and Secure Shell..........................................................706Changing the encapsulation type for IP packets...............................706Setting the maximum frame size globally..........................................707Changing the MTU............................................................................ 707Changing the router ID......................................................................709Recalculating the router ID................................................................711IPv6 ND Global Router Advertisement Control................................. 711Specifying a single source interface for Telnet, SSH, NTP, TFTP,

TACACS/TACACS+, or RADIUS packets................................... 713Configuring an interface as the source for Syslog packets .......................... 714Configuring ARP parameters........................................................................ 714

How ARP works................................................................................ 714Rate limiting ARP packets.................................................................715Changing the ARP aging period........................................................716Enabling proxy ARP.......................................................................... 717Enabling local proxy ARP..................................................................717Disabling gratuitous ARP requests for local proxy ARP....................718Creating static ARP entries............................................................... 718Changing the ARP timer................................................................... 719Changing the ARP pending retry timer............................................. 719Generating syslog notification for differing Ethernet source MAC

and ARP sender MAC addresses................................................719Dynamic ARP inspection...............................................................................720

ARP poisoning.................................................................................. 720How DAI works..................................................................................720Configuring DAI.................................................................................721Displaying ARP inspection information............................................. 726Clearing ARP inspection counters.................................................... 727

DHCP snooping............................................................................................ 728


How DHCP snooping works............................................................728System reboot and the binding database....................................... 729Configuring DHCP snooping...........................................................729DHCP snooping suboptions............................................................730Clearing the DHCP binding database............................................. 731

DHCP option 82 insertion............................................................................731Displaying DHCP snooping status and ports.................................. 732Displaying DAI binding entries........................................................ 733Displaying DHCP snooping statistics counters............................... 733Clearing DHCP snooping counters................................................. 735DHCP snooping configuration example ......................................... 735

Zero Touch Provisioning............................................................................. 736Zero Touch Provisioning limitations ............................................... 737Upgrade and downgrade considerations........................................ 737Supported options for DHCP ..........................................................737Supported messages for DHCP servers.........................................738Configuring Zero Touch Provisioning..............................................738

IP source guard...........................................................................................741Enabling IP source guard................................................................741Enabling IP source inspection on a VLAN...................................... 741Displaying IP source inspection status and ports........................... 742

IP source guard CAM..................................................................................742Configuring IP source guard CAM partition.................................... 743

Configuring forwarding parameters.............................................................743Changing the TTL threshold............................................................743Enabling forwarding of directed broadcasts....................................744Disabling forwarding of IP source-routed packets.......................... 744Enabling support for zero-based IP subnet broadcasts.................. 745

Allowing multicast addresses as source IP addresses............................... 745Configuring the maximum ICMP error message rate..................................746

Disabling ICMP messages..............................................................747Disabling ICMP redirect messages.................................................748

Configuring static routes............................................................................. 749Static route types............................................................................ 750Static IP route parameters.............................................................. 750Multiple static routes to the same destination provide load

sharing and redundancy............................................................750Static route states follow port states............................................... 751Configuring a static IP route............................................................751Configuring a static IP route between VRFs................................... 753Configuring a "null" route................................................................ 756Configuring load balancing and redundancy using multiple

static routes to the same destination.........................................757Configuring standard static IP routes and interface or null static

routes to the same destination.................................................. 758Static route configuration ........................................................................... 761

Static route tagging......................................................................... 761Static route next hop resolution...................................................... 761Static route recursive lookup...........................................................762Static route resolve by default route............................................... 762Static route to an LSP tunnel interface........................................... 762

Naming a static IP route..............................................................................764Changing the name of a static IP route...........................................765Deleting the name of a static IP route.............................................765Configuring a default network route................................................ 765Configuring a default network route................................................ 766

BFD for static routes................................................................................... 767Configuration considerations...........................................................767


Configuring BFD for static routes...................................................... 767Show commands...............................................................................769

Configuring IP load sharing...........................................................................769How multiple equal-cost paths enter the IP route table.....................770Options for IP load sharing and LAGs...............................................772Symmetric load balancing for LAGs..................................................777How IP load sharing works................................................................780Configuring IRDP.............................................................................. 781Configuring UDP broadcast and IP helper parameters.....................783Configuring BootP or DHCP forwarding parameters.........................785

Filtering Martian addresses...........................................................................787Adding, deleting or modifying Martian addresses............................. 788

IPv6 Over IPv4 tunnels in hardware..............................................................788Configuring a IPv6 IP tunnel............................................................. 789Configuring a manual IPv6 tunnel..................................................... 789Configuring an automatic 6to4 tunnel............................................... 790Displaying IPv6 tunneling information............................................... 795

Displaying IP information.............................................................................. 797Displaying global IP configuration information.................................. 798Displaying IP interface information....................................................799Displaying interface name in Syslog................................................. 802Displaying ARP entries..................................................................... 802Displaying the forwarding cache....................................................... 804Dual Active Console..........................................................................806Displaying the IP route table............................................................. 806Clearing IP routes............................................................................. 810Displaying IP traffic statistics.............................................................810Displaying GRE tunnel information................................................... 814Displaying GRE and manual IPv6 tunnel statistics........................... 814Displaying martian addressing information....................................... 818

Multiple VLAN Registration Protocol (MVRP) ......................................................................... 819Multiple VLAN Registration Protocol............................................................. 819

Enabling MVRP globally ...................................................................819Configuring MVRP at the interface level........................................... 820Error messages.................................................................................821Syslog Messages.............................................................................. 824Logging control..................................................................................825Clear commands............................................................................... 825

Multiple MAC Registration Protocol (MMRP)..........................................................................827Overview....................................................................................................... 827MMRP networks............................................................................................827

Limitations......................................................................................... 827Propagation of Group Membership................................................... 827Definition of MRP protocol elements.................................................828Sample topology............................................................................... 828

Configuring MMRP .......................................................................................831MMRP Operation Overview.............................................................. 831Enabling MVRP at global level..........................................................832MMRP include-vlan configuration..................................................... 833Global Timer Configuration............................................................... 833

Per Interface configuration............................................................................ 833Enabling MMRP on an interface....................................................... 833MMRP include-vlan configuration..................................................... 834MMRP interface level timers............................................................. 834


MMRP registration-mode configuration...........................................834MMRP poin

53-1003837-02 Brocade NetIron - University of California, …pleiades.ucsc.edu/doc/brocade/netiron-05900-switchin… · · 2015-10-14Notes, cautions, and warnings ... Clearing loop-detection

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